<?php
/**
 * Zend Framework
 *
 * LICENSE
 *
 * This source file is subject to the new BSD license that is bundled
 * with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://framework.zend.com/license/new-bsd
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@zend.com so we can send you a copy immediately.
 *
 * @category   Zend
 * @package    Zend_Tool
 * @subpackage Framework
 * @copyright  Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 * @version    $Id$
 */

/**
 * This class is the front most class for utilizing Zend_Tool_Project
 *
 * A profile is a hierarchical set of resources that keep track of
 * items within a specific project.
 *
 * @category   Zend
 * @package    Zend_Tool
 * @copyright  Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 */
class Zend_Tool_Project_Context_Content_Engine_CodeGenerator
{
	/**
	 * @var Zend_Tool_Framework_Client_Storage
	 */
	protected $_storage = null;

	/**
	 * @var string
	 */
	protected $_contentPrefix = null;

	/**
	 * __construct()
	 *
	 * @param Zend_Tool_Framework_Client_Storage $storage
	 * @param string $contentPrefix
	 */
	public function __construct(Zend_Tool_Framework_Client_Storage $storage, $contentPrefix)
	{
		$this->_storage       = $storage;
		$this->_contentPrefix = $contentPrefix;
	}

	/**
	 * hasContent()
	 *
	 * @param Zend_Tool_Project_Context_Interface $context
	 * @param string $method
	 * @return string
	 */
	public function hasContent(Zend_Tool_Project_Context_Interface $context, $method)
	{
		return $this->_storage->has($this->_contentPrefix . '/' . $context->getName() . '/' . $method . '.php');
	}

	/**
	 * getContent()
	 *
	 * @param Zend_Tool_Project_Context_Interface $context
	 * @param string $method
	 * @param mixed $parameters
	 * @return string
	 */
	public function getContent(Zend_Tool_Project_Context_Interface $context, $method, $parameters)
	{
		$streamUri = $this->_storage->getStreamUri($this->_contentPrefix . '/' . $context->getName() . '/' . $method . '.php');

		if (method_exists($context, 'getCodeGenerator')) {
			$codeGenerator = $context->getCodeGenerator();
		} else {
			$codeGenerator = new Zend_CodeGenerator_Php_File();
		}

		$codeGenerator = include $streamUri;

		if (!$codeGenerator instanceof Zend_CodeGenerator_Abstract) {
			throw new Zend_Tool_Project_Exception('Custom file at ' . $streamUri . ' did not return the $codeGenerator object.');
		}

		return $codeGenerator->generate();
	}


}